Emergency Measures for Embankment Deformation of Joshin-Etsu Expressway (Usui Karuizawa IC-Saku IC) Due to Typhoon No. 19 (2nd Report)

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  • Emergency Measures for Embankment Deformation of Joshin-Etsu Expressway (Usui Karuizawa IC-Saku IC) Due to Typhoon No. 19 (2nd Report)

October 15, 2019
East Nippon Expressway Co., Ltd.
Kanto Regional Head Office

Due to the impact of Typhoon No. 19, the embankment transformation between Usui-Karuizawa IC and Saku IC on the Joshin-Etsu Expressway
We will continue to close the road until the emergency measures work is completed. Customers are kindly requested to use the following detours.
We apologize for any inconvenience this may cause and ask for your understanding and cooperation.
* Since the access road connecting Usui-Karuizawa IC and National Highway No. 18 is currently impassable, the closed section is between Matsuida Myogi IC and Saku IC.

1 Outline of disaster

 Attachment [PDF: 545KB] As shown in the figure, a change was confirmed on the embankment in the Kosaka district of Saku City on the Joshin-Etsu Expressway. Since the groundwater level is rising and the transformation is progressing, we will take emergency measures.

2 Location map and detour

Please use National highway No. 18 (Usui bypass) as a detour while the road is closed. You can also make a detour using Route 254 and Shimonita IC.
Please do not use the detour if you are in an emergency vehicle as it will interfere with the construction work.
Passengers who leave the Expressway due to a traffic closure, bypass the traffic closure section, and then transfer again in the same direction will adjust the toll charges according to the section used.

Location map and image of detour

3 Prospects for lifting roadblocks

It is expected that it will take at least 10 days before the road is closed.
* After the suspension of traffic closure, we plan to have two-way traffic (one lane each for the upper and lower lanes).

Latest traffic conditions

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